ASN Wikibase Occurrence # 361291
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| Date: | Friday 17 September 1993 |
| Time: | 11:05 LT |
| Type: |  Cessna 182A |
| Owner/operator: | Private |
| Registration: | N6336B |
| MSN: | 34236 |
| Year of manufacture: | 1957 |
| Total airframe hrs: | 4433 hours |
| Engine model: | CONTINENTAL O-470 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Oracle, AZ -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Ryan Field, AZ (KRYN) |
| (KRYN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING A LOCAL VFR FLIGHT, THE ENGINE LOST POWER. THE PILOT TRIED TO LAND ON AN ASPHALT SURFACED ROAD, BUT WAS UNABLE TO REACH THE ROADWAY. DURING THE FORCED LANDING, THE AIRPLANE COLLIDED WITH TREES ON UNEVEN DESERT TERRAIN AND WAS DAMAGED. AN EXAMINATION OF THE ENGINE REVEALED THAT THE CRANKSHAFT HAD FAILED FORWARD OF THE NUMBER ONE JOURNAL. THE FRACTURED SURFACES DISPLAYED BEACH MARKS CONSISTENT WITH FATIGUE. THERE WAS NO EVIDENCE THAT THE ENGINE HAD SUSTAINED ANY HIGH TEMPERATURE DISTRESS OR LACK OF LUBRICATION. THE ENGINE HAD ACCRUED ABOUT 4434 HOURS SINCE NEW AND ABOUT 1110 HOURS SINCE IT WAS OVERHAULED ON 12/10/87.
Probable Cause: FAILURE OF THE CRANKSHAFT DUE TO FATIGUE.
Accident investigation:
 |
|
Sources:
NTSB LAX93LA356
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 16:49 | ASN Update Bot | Added |
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